Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 11-02-2021 and time 07:18:18 (Italy) in region 1 km E Roccacasale (AQ)

A magnitude ML 2.5 earthquake occured in region: 1 km E Roccacasale (AQ), on

  • 11-02-2021 06:18:18 (UTC)
  • 11-02-2021 07:18:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.1260, 13.9040 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Roccacasale AQ 1 693 693
Pratola Peligna AQ 4 7577 8270
Corfinio AQ 5 1051 9321
Vittorito AQ 7 873 10194
Salle PE 7 308 10502
Popoli PE 8 5172 15674
Raiano AQ 8 2815 18489
Sulmona AQ 9 24557 43046
Caramanico Terme PE 9 1929 44975
Prezza AQ 9 945 45920
Sant'Eufemia a Maiella PE 10 278 46198
Tocco da Casauria PE 10 2688 48886
Pacentro AQ 11 1174 50060
Bolognano PE 11 1108 51168
Bussi sul Tirino PE 11 2518 53686
Goriano Sicoli AQ 12 569 54255
Bugnara AQ 12 1125 55380
Castiglione a Casauria PE 12 831 56211
San Benedetto in Perillis AQ 13 113 56324
Introdacqua AQ 13 2126 58450
Castel di Ieri AQ 13 303 58753
Torre de' Passeri PE 14 3147 61900
San Valentino in Abruzzo Citeriore PE 14 1922 63822
Roccamorice PE 14 939 64761
Molina Aterno AQ 14 386 65147
Abbateggio PE 14 400 65547
Castelvecchio Subequo AQ 14 982 66529
Pescosansonesco PE 15 517 67046
Collepietro AQ 15 237 67283
Cocullo AQ 15 230 67513
Cansano AQ 16 274 67787
Acciano AQ 16 327 68114
Anversa degli Abruzzi AQ 17 341 68455
Lettomanoppello PE 17 2975 71430
Gagliano Aterno AQ 17 254 71684
Pietranico PE 17 484 72168
Corvara PE 17 256 72424
Campo di Giove AQ 17 803 73227
Pettorano sul Gizio AQ 18 1376 74603
Scafa PE 18 3759 78362
Turrivalignani PE 19 857 79219
Secinaro AQ 19 359 79578
Navelli AQ 19 554 80132
Capestrano AQ 19 884 81016
Alanno PE 20 3487 84503
Manoppello PE 20 6996 91499

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SW of Chieti (51815 inhabitants)
46 Km SW of Pescara (121014 inhabitants)
48 Km SW of Montesilvano (53738 inhabitants)
49 Km SE of L'Aquila (69753 inhabitants)
62 Km S of Teramo (54892 inhabitants)
93 Km E of Tivoli (56533 inhabitants)
98 Km E of Guidonia Montecelio (88673 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 2.5 2021-02-11
06:18:18		 42.1257 13.904 11 2021-07-12
16:55:07		 Bollettino Sismico Italiano INGV 89335891
Reviewed
Rev100 		ML 2.5 2021-02-11
06:18:18		 42.1253 13.913 10 2021-02-11
06:27:57		 Sala Sismica INGV-Roma 87033331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-11 06:18:18 ± 0.05
Latitude 42.1257 ± 0.0036
Longitude 13.9040 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89335891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 500
Semi-minor axis of confidence ellipse (meter) 253
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.04407
Epicentral distance of station farthest from the epicenter (degree) 1.54773
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 87033331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-11 06:27:56

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 89335891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-07 13:16:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSAG.HHZ. 2021-02-11T06:18:47.75 0.3 undecidable manual P 105 171.7947 50 0.82 41
IV.SGRT.HHZ. 2021-02-11T06:18:45.25 0.3 undecidable manual P 105 157.3203 50 0.55 49
OT.OT05.EHZ. 2021-02-11T06:18:44.12 0.6 undecidable manual P 110 149.5392 50 0.62 33
IV.CESI.HHZ. 2021-02-11T06:18:39.81 0.6 undecidable manual P 320 127.1727 50 -0.25 38
IV.TERO.HHZ. 2021-02-11T06:18:38.04 0.6 undecidable manual S 336 60.3951 50 0.39 42
IV.CAMP.HHE. 2021-02-11T06:18:38.18 0.6 undecidable manual S 318 60.9945 50 0.38 42
IV.MIDA.HHZ. 2021-02-11T06:18:38.46 0.6 undecidable manual S 152 60.9945 50 0.66 39
IV.LRP.EHZ. 2021-02-11T06:18:37.83 0.6 undecidable manual S 206 59.1963 50 0.5 41
IV.MELA.HHZ. 2021-02-11T06:18:36.73 0.3 undecidable manual P 114 111.1998 50 -0.86 48
IV.NRCA.HHZ. 2021-02-11T06:18:35.78 0.3 undecidable manual P 321 101.7204 50 -0.35 59
IV.BSSO.HHZ. 2021-02-11T06:18:34.06 0.3 undecidable manual P 138 85.9473 50 0.36 61
IV.POFI.HHZ. 2021-02-11T06:18:34.42 0.6 undecidable manual S 199 48.0186 50 0.08 46
IV.GIGS.HHN. 2021-02-11T06:18:33.91 0.6 undecidable manual S 323 45.3213 50 0.27 45
IV.VVLD.HHZ. 2021-02-11T06:18:31.49 0.1 undecidable manual S 219 36.6411 50 0.18 92
IV.SMA1.EHZ. 2021-02-11T06:18:31.36 0.3 undecidable manual P 320 72.8715 50 -0.32 63
IT.OPI.HGE. 2021-02-11T06:18:31.63 0.6 undecidable manual S 189 39.2274 50 -0.37 44
IV.RM33.EHZ. 2021-02-11T06:18:31.18 0.3 undecidable manual P 307 70.7736 50 -0.18 65
IV.FIAM.HHZ. 2021-02-11T06:18:30.36 0.6 undecidable manual P 284 66.5778 50 -0.35 42
IV.TRIV.HHZ. 2021-02-11T06:18:30.84 0.3 undecidable manual P 127 66.5778 50 0.13 66
IV.VCEL.EHZ. 2021-02-11T06:18:30.17 0.6 undecidable manual S 350 30.2475 50 0.56 43
IV.MIDA.HHZ. 2021-02-11T06:18:29.68 0.1 undecidable manual P 152 60.9945 50 -0.17 88
IV.TERO.HHZ. 2021-02-11T06:18:29.62 0.3 undecidable manual P 336 60.3951 50 -0.14 67
IV.TST01.HHZ. 2021-02-11T06:18:29.54 0.3 undecidable manual P 136 57.7977 50 0.18 67
IV.CAMP.HHE. 2021-02-11T06:18:29.73 0.3 undecidable manual P 318 60.9945 50 -0.12 67
IV.GUAR.HHZ. 2021-02-11T06:18:29.99 0.3 undecidable manual P 233 61.0944 50 0.12 67
IV.FAGN.HHZ. 2021-02-11T06:18:29.69 0.6 undecidable manual S 301 30.5472 50 0 48
IV.LRP.EHZ. 2021-02-11T06:18:29.27 0.3 undecidable manual P 206 59.1963 50 -0.31 65
IV.RNI2.HHZ. 2021-02-11T06:18:28.61 0.3 undecidable manual P 156 51.1155 50 0.27 66
IV.POFI.HHZ. 2021-02-11T06:18:27.74 0.1 undecidable manual P 199 48.0186 50 -0.11 92
IV.LPEL.HNZ. 2021-02-11T06:18:27.51 0.3 undecidable manual S 111 24.5532 50 -0.59 64
IV.PTQR.HHZ. 2021-02-11T06:18:27.06 0.3 undecidable manual P 255 43.0236 50 -0.03 71
IV.GIGS.HHN. 2021-02-11T06:18:27.22 0.1 undecidable manual P 323 45.3213 50 -0.23 90
MN.AQU.HNN. 2021-02-11T06:18:27.65 0.3 undecidable manual P 302 48.2184 50 -0.23 67
IT.OPI.HGE. 2021-02-11T06:18:26.18 0.3 undecidable manual P 189 39.2274 50 -0.32 67
IV.VVLD.HHZ. 2021-02-11T06:18:26.09 0.1 undecidable manual P 219 36.6411 50 -0.01 95
IV.FAGN.HHZ. 2021-02-11T06:18:25.10 0.1 positive manual P 301 30.5472 50 -0.07 95
IV.VCEL.EHZ. 2021-02-11T06:18:25.28 0.1 undecidable manual P 350 30.2475 50 0.16 94
IV.T0110.HHZ. 2021-02-11T06:18:25.69 0.6 undecidable manual S 318 15.5733 125 0.14 48
IV.INTR.HHZ. 2021-02-11T06:18:24.79 0.3 undecidable manual S 180 12.6762 130 0.05 74
IT.SULC.HNZ. 2021-02-11T06:18:23.33 0.6 undecidable manual S 176 6.3936 149 0.01 50
IV.LPEL.HNZ. 2021-02-11T06:18:23.90 0.1 undecidable manual P 111 24.5532 50 -0.35 91
IT.SULA.HNN. 2021-02-11T06:18:23.26 0.6 undecidable manual S 170 5.8941 151 0.03 50
IV.T0110.HHZ. 2021-02-11T06:18:22.92 0.1 positive manual P 318 15.5733 125 0.14 96
IV.INTR.HHZ. 2021-02-11T06:18:22.45 0.1 positive manual P 180 12.6762 130 0.14 97
IT.SULP.HGZ. 2021-02-11T06:18:22.84 0.3 undecidable manual S 157 4.8951 155 -0.24 72
IT.SULP.HGZ. 2021-02-11T06:18:21.30 0.1 undecidable manual P 157 4.8951 155 -0.05 100
IT.SULA.HNN. 2021-02-11T06:18:21.54 0.1 undecidable manual P 170 5.8941 151 0.1 99
IT.SULC.HNZ. 2021-02-11T06:18:21.58 0.1 undecidable manual P 176 6.3936 149 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.INTR.HNE. ML:2.7 0.0054 0.28 AML other m 2021-02-11T06:18:25.19
IV.INTR.HHE. ML:2.7 0.005529999999999999 0.3 AML other m 2021-02-11T06:18:25.18
IV.INTR.HHN. ML:2.9 0.008575 1.02 AML other m 2021-02-11T06:18:25.91
IV.INTR.HNN. ML:2.9 0.0083 1.02 AML other m 2021-02-11T06:18:25.91
IV.T0110.HHN. ML:2.6 0.003565 1.58 AML other m 2021-02-11T06:18:25.84
IV.T0110.HHE. ML:2.6 0.004070000000000001 0.68 AML other m 2021-02-11T06:18:26.11
IV.LPEL.HHE. ML:3.3 0.012600000000000002 0.48 AML other m 2021-02-11T06:18:28.41
IV.LPEL.HNE. ML:3.3 0.011210000000000001 0.48 AML other m 2021-02-11T06:18:28.42
IV.LPEL.HNN. ML:3.1 0.0073149999999999995 0.78 AML other m 2021-02-11T06:18:29.73
IV.LPEL.HHN. ML:3.1 0.008385 0.78 AML other m 2021-02-11T06:18:29.73
IV.VCEL.EHE. ML:2.6 0.0018549999999999999 0.16 AML other m 2021-02-11T06:18:31.62
IV.VCEL.EHN. ML:2.7 0.0021550000000000002 0.2 AML other m 2021-02-11T06:18:31.70
IV.VVLD.HHN. ML:2.9 0.0029500000000000004 0.34 AML other m 2021-02-11T06:18:31.63
IV.VVLD.HNN. ML:2.9 0.002835 0.34 AML other m 2021-02-11T06:18:31.63
IV.FAGN.HHE. ML:2.7 0.0025499999999999997 1.32 AML other m 2021-02-11T06:18:32.08
IV.FAGN.HHN. ML:2.5 0.001565 1.06 AML other m 2021-02-11T06:18:32.94
IV.VVLD.HNE. ML:2.6 0.0016099999999999999 0.18 AML other m 2021-02-11T06:18:33.01
IV.VVLD.HHE. ML:2.6 0.001645 0.18 AML other m 2021-02-11T06:18:33.01
IV.PTQR.HHN. ML:2.2 0.0004805 0.24 AML other m 2021-02-11T06:18:36.63
IV.POFI.HHE. ML:2.2 0.0004255 0.44 AML other m 2021-02-11T06:18:36.69
IV.POFI.HHN. ML:2.3 0.000501 1.22 AML other m 2021-02-11T06:18:36.13
IV.LRP.EHN. ML:2.0 0.0001945 0.22 AML other m 2021-02-11T06:18:38.25
IV.PTQR.HHE. ML:2.1 0.00035749999999999996 0.36 AML other m 2021-02-11T06:18:38.21
IV.RNI2.HHN. ML:2.5 0.0007585 0.12 AML other m 2021-02-11T06:18:38.60
IV.RNI2.HNN. ML:2.4 0.0007149999999999999 0.12 AML other m 2021-02-11T06:18:38.60
IV.GUAR.HHE. ML:2.3 0.00038250000000000003 0.38 AML other m 2021-02-11T06:18:39.50
IV.RNI2.HNE. ML:2.4 0.0007435 0.16 AML other m 2021-02-11T06:18:39.78
IV.RNI2.HHE. ML:2.5 0.0008089999999999999 0.86 AML other m 2021-02-11T06:18:39.78
IV.GUAR.HHN. ML:2.4 0.000488 0.24 AML other m 2021-02-11T06:18:39.97
IV.MIDA.HHN. ML:2.6 0.0009265 0.5 AML other m 2021-02-11T06:18:40.10
IV.TERO.HHN. ML:2.3 0.00038649999999999996 0.3 AML other m 2021-02-11T06:18:40.60
IV.TERO.HHE. ML:2.0 0.000214 0.3 AML other m 2021-02-11T06:18:40.68
IV.TERO.HNE. ML:2.2 0.00034750000000000004 0.18 AML other m 2021-02-11T06:18:40.59
IV.MIDA.HNE. ML:2.6 0.000889 0.48 AML other m 2021-02-11T06:18:41.11
IV.LRP.EHE. ML:2.3 0.0004115 1.1 AML other m 2021-02-11T06:18:41.31
IV.FIAM.HHE. ML:1.8 0.0001042 0.48 AML other m 2021-02-11T06:18:41.94
IV.MIDA.HNN. ML:2.4 0.0005285 1.58 AML other m 2021-02-11T06:18:41.94
IV.MIDA.HHE. ML:2.4 0.0005629999999999999 0.44 AML other m 2021-02-11T06:18:41.96
IV.FIAM.HHN. ML:1.8 0.0001215 0.42 AML other m 2021-02-11T06:18:44.66
IV.TERO.HNN. ML:2.2 0.0003415 0.26 AML other m 2021-02-11T06:18:45.43
IV.SMA1.EHE. ML:2.2 0.0002495 1.06 AML other m 2021-02-11T06:18:49.07
IV.RM33.EHN. ML:2.0 0.000184 1.42 AML other m 2021-02-11T06:18:49.91
IV.SMA1.EHN. ML:2.2 0.0002205 1.08 AML other m 2021-02-11T06:18:50.68
IV.RM33.EHE. ML:2.2 0.0002385 0.92 AML other m 2021-02-11T06:18:50.49
IV.NRCA.HHE. ML:2.3 0.000194 0.14 AML other m 2021-02-11T06:18:52.01
IV.NRCA.HHN. ML:2.2 0.00014500000000000003 1.52 AML other m 2021-02-11T06:18:53.08
IV.CSP1.EHN. ML:2.6 0.000319 1.04 AML other m 2021-02-11T06:19:04.74
IV.CSP1.EHE. ML:2.6 0.000282 0.42 AML other m 2021-02-11T06:19:06.00
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download